Tankless Water Heater Install

HEP PlumbingTankless Water Heater Install

Tankless Water Heater Install | Plumbing

Imagine stepping into the shower and feeling a steady cascade of perfectly heated water—no matter how many loads of laundry or dishes are running. HEP’s certified plumbers make that everyday luxury possible with professional tankless water-heater installation. By heating water on demand, a tankless unit can slash standby energy loss, free up valuable closet or garage space, and deliver an endless supply of hot water right when you need it.

From your first call to the final test-run, we handle everything: sizing the right-capacity model for your household, upgrading gas or electrical lines if needed, and hauling away the old tank. You’ll get upfront pricing, manufacturer-approved workmanship, and the peace of mind that comes with HEP’s 24/7 emergency support. Ready to lose the tank and keep the comfort? Schedule your in-home estimate today and discover why Tennessee homeowners say, “HEP Is On The Way!”

What our customers say

I had a hot water heater installed. The service men where very polite. They did a fantastic job. They made sure that everything was working properly before they left. I would highly recommend HEP for any of your service needs.
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Sandra H.
Zack and Damien were absolutely wonderful at getting our new water heater installed! Quick and professional with no issues! I definitely know who to call for service, thank you guys!!
Andrea F. profile photo
Andrea F.
Johnathan did a great job troubleshooting my tankless water heater issue. Thank you
Calvin H. profile photo
Calvin H.
The crew that installed our water heater were very kind, professional, and answered any questions I had. Their work was top tier
Taylor Y. profile photo
Taylor Y.
Ernest was outstanding! Provided excellent customer service, answered questions, and provided me with 2 quotes, one to upgrade and one to replace my water heater. Thanks Ernest, & HEP
Edgar J. profile photo
Edgar J.
Jeremiah Wilbur did a wonderful job fixing my tankless water heater. Very easy to work with also. I am very pleased.
Susan C. profile photo
Susan C.
Issac Velez was great and very knowledgable on what the problem was with our hot water heater and recommended we get a new one, Hep will be installing our new water heater next week!!
Steve A. profile photo
Steve A.
Jonathan Green quickly diagnosed the problem and provided me options for the repair or replacement of my tankless hot water heater. He was friendly and professional. I'd work with him again anytime!
Chris L. profile photo
Chris L.
Connor Haydon came out and checked my water heater and explained all my options and was very professional and helpful and friendly.
Lily S. profile photo
Lily S.
Corbin came to give us an estimate on a water heater. He was professional, punctual, extremely nice, and did a great job explaining everything to us. Highly recommend Corbin.
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Jonathan M.

Tankless Water Heater Installation in Tennessee by HEP

Modern homes and businesses across Tennessee are embracing tankless water heater technology, and HEP is at the forefront of bringing efficient, on-demand hot water to properties from the Cumberland Plateau to the banks of the Tennessee River. With specialized plumbing expertise and a deep understanding of local building conditions, HEP delivers installations that align with state codes, maximize energy savings, and provide reliable performance year-round.

Why Tennessee Properties Benefit from Tankless Water Heaters

Living in the Volunteer State comes with unique environmental factors—humid summers, occasional cold snaps in winter, variable groundwater temperatures, and diverse elevations from Memphis to Knoxville. Tankless water heaters address these variables by heating water only when needed, eliminating standby heat loss common in traditional storage units.

Key gains for Tennessee homeowners and businesses include:

  • Consistent hot water during family gatherings, sporting event weekends, or high-demand commercial operations
  • Reduced energy consumption in both rural and urban settings where utility rates vary
  • Space savings for properties ranging from compact downtown lofts to expansive mountain cabins
  • A longer service life compared with conventional storage tanks, an advantage in regions with moderate to hard water

Core Features of Tankless Technology Installed by HEP

On-Demand Heating Mechanism

Tankless units use high-efficiency burners or electric elements that activate the moment a hot-water tap opens. Once flow sensors detect demand, the heat exchanger raises the water temperature to the precise, pre-set level. When the tap closes, the system shuts off. By eliminating the need to maintain a full tank, properties avoid idle heat loss and reduce utility bills.

Compact Form Factor

A typical gas tankless heater measures about the size of a carry-on suitcase, while electric models can be even smaller. HEP technicians strategically mount units:

  • On basement walls, freeing up floor area
  • Inside insulated utility closets, maximizing usable living space
  • In exterior enclosures for suitable climates, protected from frost, rain, and pests

Modulation Technology

Premium units installed by HEP adapt burner or element output to match flow rate. Whether a single lavatory is running or multiple showers operate simultaneously, the water stays at the chosen temperature with minimal fluctuation.

Enhanced Durability

Copper, stainless steel, and other corrosion-resistant materials inside modern heat exchangers ensure longevity. Combined with HEP’s proper water treatment solutions, Tennessee’s mineral levels pose minimal risk to component integrity.

Assessing Tennessee Water Quality Before Installation

Although Tennessee’s public water systems meet federal safety standards, regional hardness and sediment content differ dramatically between the Mississippi Delta region and the Appalachian foothills. HEP performs water tests that measure:

  • Hardness (calcium & magnesium levels)
  • Chlorine and chloramine content
  • pH balance
  • Dissolved solids contributing to scale formation

If test results indicate high hardness, HEP recommends:

  • Whole-house or point-of-entry water softeners
  • Scale inhibitor cartridges at the tankless inlet
  • Periodic flushing intervals tailored to the property’s water profile

These preventive measures maintain peak efficiency and uphold manufacturer warranties.

Gas vs. Electric Tankless Units in Tennessee

Gas Systems

Natural gas and propane models dominate installations across Tennessee, particularly in areas with existing gas service or easy access to propane delivery. Advantages include:

  • Higher flow rates suitable for large families and multi-bath homes
  • Rapid thermal response in colder months
  • Broad availability of high-BTU models

Electric Systems

Electric tankless heaters excel where:

  • Gas service is unavailable or venting is impractical
  • Smaller demand, such as studio apartments, secondary bathrooms, or offices
  • Homeowners prefer simplified maintenance and no combustion byproducts

HEP evaluates electrical panel capacity, available voltage, and tenant load to ensure compatibility. Upgrades like sub-panels or dedicated breakers are performed when necessary.

Tennessee Building Codes and Safety Compliance

Every HEP installation aligns with the 2018 International Residential Code (IRC), the 2018 International Plumbing Code (IPC), and amendments adopted by the Tennessee Department of Commerce & Insurance.

Key Compliance Areas

  • Venting: Direct-vent or power-vent configurations sized per manufacturer specs, with termination clearance from windows and doors to prevent exhaust re-entrainment
  • Gas Line Sizing: Pressure drop calculations ensure adequate supply during simultaneous appliance operation
  • Combustion Air: Proper intake source in sealed-combustion models, maintaining indoor air quality
  • Electrical: GFCI protection for electric units, bonding, and grounding per NEC 2020
  • Pressure Relief: Properly routed discharge piping to approved drain locations

Permitting and Inspection

HEP coordinates permit applications with county or municipal offices, schedules required inspections, and provides documentation for property owners’ records.

The HEP Installation Workflow

1. On-Site Consultation

A licensed plumber arrives to:

  • Evaluate existing plumbing, electrical, and gas infrastructure
  • Measure flow rate requirements based on fixtures and simultaneous demand
  • Inspect venting paths or propose new vent runs
  • Identify potential mounting locations minimizing visible alterations

2. Customized System Design

Taking consultation findings, HEP designs:

  • Correct sizing (GPM capacity for seasonal groundwater temperatures)
  • Fuel type, model, and advanced features such as Wi-Fi monitoring or recirculation
  • Venting and condensate solutions to meet manufacturer specs and code

3. Preparation and Demolition

During installation day:

  • Water, gas, and power are safely shut off
  • Old storage tank is drained and removed
  • Piping is modified or replaced to accommodate the new compact unit
  • Drywall cuts, if necessary, are performed neatly and later patched

4. Mounting and Rough-In

  • A secure mounting bracket is anchored into structural framing
  • New water lines are run in PEX, copper, or CPVC per project requirements
  • Isolation valves, unions, and purge ports are installed for future servicing
  • Gas lines are sized and pressure-tested; electric conduits are pulled and terminated

5. Venting and Condensate Management

  • Concentric vent runs exit through sidewalls or roofs with approved clearances
  • Condensate drains route to nearby floor drains or approved neutralizers for pH correction, preventing sewer corrosion
  • Exterior penetrations are sealed against moisture and pests with weatherproof materials

6. Commissioning and Calibration

  • System fill and purge eliminate air pockets
  • Gas leak detection soap or electronic sensors verify tightness
  • Digital manifolds set the temperature rise for Tennessee’s average inlet water temperature (often 55-60°F)
  • Flow sensors are tested with multiple fixture activation

7. Owner Orientation

HEP technicians demonstrate:

  • Temperature set-point adjustments
  • Shut-off valve locations for emergencies
  • Recommended maintenance intervals
  • Utilization of smart home integration apps where applicable

A full checklist is provided, ensuring owners understand every component.

Space Utilization Advantages

Many Tennessee homeowners reclaim square footage previously occupied by bulky storage tanks to create:

  • Laundry folding stations
  • Pantry expansions
  • Workshop corners
  • Additional closet space

In multi-family developments, mechanical rooms gain flexibility, accommodating extra units or storage lockers for tenants.

Energy and Environmental Impact Across Tennessee

Lower Operational Costs

According to energy consumption studies, tankless systems can reduce water heating expenses by 20–40%, particularly in households with above-average daily demand.

Reduced Carbon Footprint

Less fuel burned translates into fewer greenhouse gas emissions. With Tennessee’s ongoing commitment to clean energy initiatives, homes equipped with tankless units contribute toward statewide sustainability goals.

Water Conservation via Recirculation

HEP offers integrated recirculation loops or demand-type pumps:

  • Hot water reaches fixtures faster
  • Residents waste less water while waiting for temperature stabilization
  • Efficiency extends to both gas and electric models

Maintenance Protocols Delivered by HEP

Annual Flushing

Without routine flushing, scale builds on heat exchangers, causing:

  • Increased energy usage
  • Reduced flow rates
  • Premature failure

HEP technicians connect a submersible pump to isolation valves, circulating a mild vinegar solution for 30–45 minutes, then flush with fresh water.

Filter and Screen Cleaning

Inlet screens protect internal passages. Inspecting and cleaning these filters prevents debris blockages, especially in areas with older municipal water lines or well systems.

Software Updates

For units with onboard firmware or Wi-Fi connectivity, occasional updates improve diagnostics and efficiency algorithms. HEP performs updates during maintenance visits or guides owners through mobile apps.

Addressing Common Tennessee Installation Challenges

Hard Water and Mineral Deposits

Certain counties—particularly in Middle Tennessee—register hardness levels above 150 mg/L. HEP combats scaling by:

  • Installing electronic water conditioners
  • Utilizing sacrificial anode kits where compatible
  • Recommending sodium-based ion exchange systems when mineral content is extreme

Older Gas Infrastructure

Historic neighborhoods often contain iron or steel gas mains with limited capacity. HEP’s licensed gas fitters:

  • Conduct load calculations for total BTU demand
  • Upgrade sections with CSST or rigid copper
  • Add regulators where line pressure fluctuates

Limited Electrical Capacity in Rural Homes

Remote cabins and farmhouses may rely on 100-amp service panels. For electric tankless units requiring 120-200 amps, HEP coordinates:

  • Service entrance upgrades
  • New meter bases compliant with local utility requirements
  • Load management strategies scheduling heavy appliances at off-peak times

Integrating Tankless Systems into Smart Homes

HEP installs units compatible with:

  • Voice assistants for temperature control
  • Energy dashboards tracking gas or kWh usage
  • Leak detection sensors alerting owners to anomalies

Smart integrations empower residents to monitor consumption patterns, catch issues early, and fine-tune settings for optimal comfort and conservation.

Recirculation Options for Larger Properties

Dedicated Return Lines

In new construction, HEP roughs in a dedicated loop from the furthest fixture back to the heater, employing insulated PEX or copper. A high-efficiency pump maintains a gentle flow, ensuring instant hot water without waste.

Crossover Valves

For retrofits where opening walls is impractical, under-sink crossover valves route cool water from the hot line to the cold until target temperature is reached, then close automatically.

On-Demand Buttons

Wall-mounted or wireless buttons activate the recirculation pump just before use, balancing convenience and energy savings.

Tankless Water Heaters for Commercial Applications

Restaurants and Cafés

High-volume dishwashing demands steady hot water. HEP configures cascading systems that modulate collectively, scaling output based on kitchen traffic to prevent downtime during peak meal periods.

Salons and Spas

Precise temperature control is crucial for client comfort. Digital thermostats enable stylists and therapists to select ideal settings, minimizing scald risk.

Multifamily Housing

Master-metered buildings benefit from centralized tankless arrays on rooftop racks or mechanical rooms. The modular approach allows:

  • Maintenance on individual units without complete shutdown
  • Redundancy in case of failure
  • Staged expansion as occupancy grows

Understanding Efficiency Ratings

Uniform Energy Factor (UEF)

HEP guides clients through reading UEF labels. A higher UEF indicates greater efficiency. Gas models often post UEF values between 0.80 and 0.95, while electric units may exceed 0.98.

Temperature Rise Calculations

Groundwater temperatures in Tennessee fluctuate seasonally:

  • Western Tennessee: 58–62°F
  • Middle Tennessee: 55–60°F
  • Eastern highlands: 50–55°F

HEP sizes units to overcome the coldest expected inlet condition, achieving the desired 120°F-140°F output.

Indications It Is Time to Upgrade to Tankless

  • Storage tank older than 10–12 years with signs of rust or leaking
  • Growing family resulting in frequent hot water shortages
  • Home remodeling creating extra bathrooms or laundry facilities
  • Rising energy bills traced to standby losses in conventional heaters
  • Desire to reclaim square footage for living space

HEP conducts an audit of current hot-water usage to determine if an upgrade will yield noticeable improvements.

Auxiliary Plumbing Enhancements Offered by HEP

Water Pressure Regulation

Proper water pressure safeguards the delicate internal sensors of tankless units. HEP installs pressure-reducing valves (PRVs) where line pressure exceeds 80 psi.

Thermal Expansion Control

Closed plumbing systems may generate thermal expansion. Expansion tanks or domestic hot-water relief valves protect components and pipelines.

Backflow Prevention

Check valves positioned strategically ensure contamination cannot flow backward into potable lines, preserving compliance with local plumbing codes.

Winterization Considerations in Tennessee’s Climate

While Tennessee winters are milder than northern states, occasional freezes can occur in the higher elevations and valleys. HEP safeguards units by:

  • Adding freeze protection heaters on exterior models
  • Insulating exposed piping with closed-cell foam sleeves
  • Installing automatic drain-down valves that activate during power outages

Proper winterization prevents cracking of heat exchangers and avoids costly repairs.

Selecting the Right Venting Materials

Gas tankless heaters produce flue gases around 120–160°F, cooler than traditional furnaces but still requiring corrosion-resistant venting. HEP uses:

  • Category III stainless steel for non-condensing models
  • Schedule 40 PVC or polypropylene for condensing units
  • Concentric vent kits to simplify wall penetrations and provide built-in clearances

Proper venting ensures safe evacuation of combustion byproducts and maintains optimal appliance efficiency.

Recap of HEP’s Professional Credentials

  • Licensed and insured master plumbers holding Tennessee state certifications
  • Continuous manufacturer training on the latest tankless models, components, and diagnostic software
  • Comprehensive warranty support, handling registration and claim submissions on behalf of property owners
  • Adherence to National Standard Plumbing Code and local amendments

By blending rigorous technical proficiency with an understanding of Tennessee’s diverse housing stock and water conditions, HEP provides a seamless, code-compliant tankless water heater install experience.

Ongoing Support and Service Packages

After installation, property owners may opt for scheduled maintenance agreements. Benefits of these packages include:

  • Priority scheduling for flushes and inspections
  • Discounts on replacement parts such as ignition rods, sensors, and gaskets
  • Performance reports tracking efficiency metrics over time

Such proactive care preserves return on investment and prevents unexpected downtime.

Emergency Readiness

In the rare event of malfunction:

  • Isolation valves allow quick bypass or replacement of components while preserving cold-water service
  • Integrated error codes facilitate rapid diagnosis, reducing repair times
  • Stocked service vehicles carry common parts, minimizing return trips

With these safeguards, residents and business operators maintain confidence in uninterrupted hot-water delivery.

Integrating Solar or Geothermal Pre-Heating

Tennessee’s average annual solar irradiance and geothermal potential present opportunities to pre-heat incoming water. HEP coordinates hybrid solutions:

  • Solar thermal panels elevate water temperature before it enters the tankless unit, reducing burner workload
  • Geothermal loops extract stable subterranean heat, improving winter efficiency

These integrations lower fuel consumption and may qualify for local incentives.

Future-Ready Plumbing Design

HEP advises architects and builders on incorporating tankless solutions into new construction:

  • Locating utilities centrally to reduce branch line lengths
  • Adding conduit chases for potential future electrification
  • Designing recirculation loops during framing for minimal cost impact

Early planning translates into streamlined installations and cost savings for property owners.

Special Considerations for Well-Water Systems

Rural Tennessee properties often draw from private wells. HEP addresses well-specific issues:

  • Sediment filters to trap silt and sand that can erode internal components
  • Ultraviolet (UV) purification if bacterial counts exceed recommended limits
  • Booster pumps maintaining consistent flow rates for demand-activated heaters

Proper conditioning ensures reliable tankless operation and safe water quality.

Common Myths About Tankless Heaters Clarified

  • Myth: Tankless systems deliver hot water instantly to every tap.
    Truth: They heat water instantly but do not eliminate the time required for hot water to travel through plumbing lines. Recirculation systems solve this.

  • Myth: Tankless water heaters cannot handle simultaneous fixtures.
    Truth: Proper sizing and cascading multiple units support extensive demand scenarios.

  • Myth: Electric tankless units are always cheaper to operate in Tennessee.
    Truth: Operational costs vary based on local electricity and gas rates, usage patterns, and unit efficiency. HEP provides cost-benefit analyses before installation.

Closing Thoughts on Tankless Water Heater Install Work in Tennessee

HEP’s mastery of plumbing best practices, energy-efficient technologies, and regional code requirements enables seamless tankless water heater installations across Tennessee. Homeowners, property managers, and business operators receive long-term performance, optimized utility consumption, and expert craftsmanship, securing dependable hot water for every season and application.

Areas We Serve

AlcoaAllardtAltamontAndersonvilleApisonAthensBean StationBeersheba SpringsBelvidereBentonBirchwoodBlaineBlountvilleBluff CityBricevilleBristolCalhounCaryvilleCharlestonChattanoogaChurch HillClairfieldClevelandClintonCoalmontCollegedaleCookevilleCopperhillCorrytonCosbyCowanCrab OrchardCrossvilleCumberland GapDandridgeDaytonDecaturDecherdDeer LodgeDelanoDucktownDuffDunlapElizabethtonEloraEnglewoodErwinEstill SpringsEtowahEvensvilleFarragutFayettevilleFlintvilleFountain CityFriendsvilleGatlinburgGeorgetownGrandviewGraysvilleGreenbackGreenevilleGruetli-LaagerGuildHallsHarrimanHarrisonHarrogateHeiskellHelenwoodHillsboroHixsonHuntlandHuntsvilleJacksboroJamestownJasperJefferson CityJellicoJohnson CityJonesboroughKarnsKelsoKingsportKingstonKnoxvilleKodakLa FolletteLake CityLancingLenoir CityLookout MountainLoudonLouisvilleLuttrellLynchburgMadisonvilleManchesterMaryvilleMascotMaynardvilleMcDonaldMcMinnvilleMonteagleMontereyMorristownMountain CityMulberryNew MarketNew TazewellNewcombNewportNiotaNorrisOak RidgeOakdaleOcoeeOld FortOliver SpringsOneidaOoltewahPalmerPelhamPetrosPhiladelphiaPigeon ForgePikevillePioneerPowellRelianceRicevilleRobbinsRockfordRockwoodRogersvilleRutledgeSale CreekSequatchieSeviervilleSewaneeSeymourSharps ChapelShelbyvilleSignal MountainSoddy-DaisySouth PittsburgSpartaSpeedwellSpring CityStrawberry PlainsSunbrightSweetwaterTalbottTazewellTellico PlainsTen MileThorn HillTownsendTracy CityTullahomaTurtletownVonoreWallandWartburgWashburnWhite PineWhitwellWinchesterWinfield
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